Mario is a landscape architect who needs to buy 17 shrubs for a foundation planting. Azalea plants cost $20 each, rhododendrons cost $25 each. If he spent exactly $400, how many of each shrub did he buy?

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36